<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>综合案例</title>
    <style>
        div {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            width: 960px;
            height: 960px;
            margin: 0 auto;
            background-color: greenyellow;
        }

        img {
            width: 300px;
            height: 300px;
            margin: 10px;
            border-radius: 50%;
            opacity: 0.8;   /* 透明度：0为全透明，1为不透明 */
        }

        ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            width: 960px;
            margin: 0 auto;
            background-color: gold;
        }
    </style>
</head>
<body>
    <div>
        <img src="./images/ikun1.jpg">
        <img src="./images/ikun2.jpg">
        <img src="./images/ikun3.jpg">
        <img src="./images/ikun4.jpg">
        <img src="./images/ikun5.jpg">
        <img src="./images/ikun6.jpg">
        <img src="./images/ikun7.jpg">
        <img src="./images/ikun8.jpg">
        <img src="./images/ikun9.jpg">
    </div>

    <br>
    <hr>
    <br>
    
    <ul>
        <li><img src="./images/ikun1.jpg"></li>
        <li><img src="./images/ikun2.jpg"></li>
        <li><img src="./images/ikun3.jpg"></li>
        <li><img src="./images/ikun4.jpg"></li>
        <li><img src="./images/ikun5.jpg"></li>
        <li><img src="./images/ikun6.jpg"></li>
        <li><img src="./images/ikun7.jpg"></li>
        <li><img src="./images/ikun8.jpg"></li>
        <li><img src="./images/ikun9.jpg"></li>
    </ul>
</body>
</html>